Blender base



FIG. 1 is a front perspective view of the blender base;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is rear view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a top view thereof.

The portion shown in dashed lines is shown for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for the blender base, as shown and described. 